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api: fix adapter name numbering termination

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Reported-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Simon Rozman <simon@rozman.si>
This commit is contained in:
Simon Rozman 2020-10-30 06:57:56 +01:00
parent 254a900a76
commit 8b0409ce2a
1 changed files with 1 additions and 1 deletions

2
api/adapter.c
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@ -725,7 +725,7 @@ WintunSetAdapterName(_In_ const WINTUN_ADAPTER *Adapter, _In_z_count_c_(MAX_ADAP
} }
if (Result == ERROR_SUCCESS) if (Result == ERROR_SUCCESS)
break; break;
if (i > MaxSuffix || Result != ERROR_DUP_NAME) if (i >= MaxSuffix || Result != ERROR_DUP_NAME)
return LOG_ERROR(L"Setting adapter name failed", Result); return LOG_ERROR(L"Setting adapter name failed", Result);
if (_snwprintf_s( if (_snwprintf_s(
AvailableName, _countof(AvailableName), _TRUNCATE, L"%.*s %d", MAX_ADAPTER_NAME, Name, i + 1) == -1) AvailableName, _countof(AvailableName), _TRUNCATE, L"%.*s %d", MAX_ADAPTER_NAME, Name, i + 1) == -1)